![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Return to home page
On This Page
State: Montana
Waterbody ID: MT76F006_032
Location: ELK CREEK, Stinkwater Creek to the mouth (Blackfoot River)
State Waterbody Type: River
EPA Waterbody Type: Rivers and Streams
Water Size: 5.6
Units: miles
Watershed Name: Blackfoot
On This Page
- Water Quality Assessment Status
- Causes of Impairment
- Probable Sources Contributing to Impairments
- TMDLs That Apply to This Waterbody
- Previous Causes of Impairment Now Attaining All Uses
State: Montana
Waterbody ID: MT76F006_032
Location: ELK CREEK, Stinkwater Creek to the mouth (Blackfoot River)
State Waterbody Type: River
EPA Waterbody Type: Rivers and Streams
Water Size: 5.6
Units: miles
Watershed Name: Blackfoot
Data are also available for these years: 2006 2004 2002 2000
2008 Waterbody Report for Elk Creek
Click on the waterbody for an interactive map
Features
- About This Database (Integrated Report)
- Assessing Water Quality (Questions and Answers)
- Integrated Reporting Guidance
- Previous National Water Quality Reports
- EnviroMapper for Water
- AskWATERS
- EPA WATERS Homepage
- Exchange Network
- Assessment Database
- Statewide Statistical Surveys
- How's My Waterway Local Search tool
- Pollution Categories Summary Document
Water Quality Assessment Status for Reporting Year 2008
The overall status of this waterbody is Impaired.
Description of this table
| Designated Use | Designated Use Group | Status |
|---|---|---|
| Agricultural | Agricultural | Good |
| Aquatic Life | Fish, Shellfish, And Wildlife Protection And Propagation | Impaired |
| Cold Water Fishery | Fish, Shellfish, And Wildlife Protection And Propagation | Impaired |
| Drinking Water | Public Water Supply | Not Assessed |
| Industrial | Industrial | Good |
| Primary Contact Recreation | Recreation | Good |
Causes of Impairment for Reporting Year 2008
Description of this table
| Cause of Impairment | Cause of Impairment Group | Designated Use(s) | State TMDL Development Status |
|---|---|---|---|
| Alteration in Stream-Side or Littoral Vegetative Covers | Habitat Alterations | Cold Water Fishery, Aquatic Life | Non-pollutant impairment |
| Sedimentation/Siltation | Sediment | Cold Water Fishery, Aquatic Life | TMDL needed |
| Temperature | Temperature | TMDL completed | |
| Temperature, Water | Temperature | Cold Water Fishery, Aquatic Life | TMDL needed |
Probable Sources Contributing to Impairment for Reporting Year 2008
Description of this table
| Probable Source | Probable Source Group | Cause(s) of Impairment |
|---|---|---|
| Grazing In Riparian Or Shoreline Zones | Agriculture | Alteration in Stream-Side or Littoral Vegetative Covers; Sedimentation/Siltation |
| Streambank Modifications/Destabilization | Hydromodification | Sedimentation/Siltation; Temperature, Water |
TMDLs That Apply to this waterbody
Description of this table
| TMDL Document Name | TMDL Date | TMDL Pollutant Description | TMDL Pollutant Source Type | Cause(s) of Impairment Addressed |
|---|---|---|---|---|
| Lower Elk Creek - Lower Blackfoot Tpa | Dec-23-2009 | Sedimentation/Siltation | Nonpoint Source | Siltation; Thermal Modifications; Temperature; Sedimentation/Siltation |
| Lower Elk Creek - Lower Blackfoot Tpa | Dec-23-2009 | Temperature | Nonpoint Source | Temperature; Thermal Modifications; Siltation; Sedimentation/Siltation |
Previous Causes of Impairments Now Attaining All Uses
No causes of impairment are recorded as attaining all uses for this waterbody.